Volume 14, Issue 1 (6-2017)                   JSDP 2017, 14(1): 15-28 | Back to browse issues page



DOI: 10.18869/acadpub.jsdp.14.1.15

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abessi M, hajigol yazdi E, Hoseini nasab H, Fakhrzad M B. A Novel Approach for Exceptional Phenomena Knowledge Detection and Analysis by Data mining. JSDP. 2017; 14 (1) :15-28
URL: http://jsdp.rcisp.ac.ir/article-1-314-en.html

Instructor Yazd univrdity
Abstract:   (528 Views)

Learning logic of exceptions is a substantial challenge in data mining and knowledge discovery. Exceptional phenomena detection takes place among huge records in a database which contains a large number of normal records and a few of exceptional ones. This is important to promote the confidence to a limited number of exceptional records for effective learning. In this study, a new approach based on the abnormality theory, information and information granulation theories are presented to detect exceptions and recognize their behavioral patterns. The efficiency of the proposed method was determined by using it to detect exceptional stocks from Iran stock market in a 30-month- period and learn their exceptional behavior. The proposed Enhanced-RISE algorithm (E-RISE) as a bottom-up learning approach was implemented to extract the knowledge of normal and exceptional behavior. The extracted knowledge was utilized to design an expert system based on the proposed abnormality theory to predict new exceptions from 6022 stocks. The superior findings show the results of this proposed approach in exceptional phenomena detection, is in accordance with experts' opinions.
 

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Type of Study: Research | Subject: Paper
Received: 2015/01/11 | Accepted: 2016/10/5 | Published: 2017/07/18 | ePublished: 2017/07/18

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